Local systems, exponential sums, and simple groups

Người báo cáo: Phạm Hữu Tiệp (Rutgers University, USA)


Thời gian: 11:00 - 12:00, thứ năm, ngày 17/8/2023

Hình thức: Offline tại phòng 612 A6 và online qua google meet, cụ thể https://meet.google.com/yep-kbzk-eao?pli=1&authuser=1

Tóm tắt: We will give an algebraic overview of our joint project with Nick Katz to study the possible structure of monodromy groups of Kloosterman and hypergeometric l-adic sheaves in characteristic p. We also discuss explicit constructions of local systems and their related ​exponential sums on G_m or A^1 that realize various (close to be) simple groups.

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Xuất bản mới
Nguyễn Huyền Mười, Vũ Ngọc Phát, New design of robust $H_\infty$ controllers for descriptor discrete time-varying delay equations with bounded disturbances, Transactions of the Institute of Measurement and Control, 48(2026), 87-97 (SCI(-E); Scopus) .
Lê Xuân Thanh, Lê Dũng Mưu, Nguyễn Văn Quý, A Dual Approach Based Extragradient-Type Method for Solving Quasi-Equilibrium Problems, Journal of Optimization Theory and Applications, Volume 208, article number 59, (2026) .
Vũ Thị Hướng, Ida Litzel, Thorsten Koch, Similarity-based fuzzy clustering scientific articles: Potentials and challenges from mathematical and computational perspectives, Journal of Nonlinear and Variational Analysis 10, 381-401 (2026). (SCI-E, Scopus) .